vs

Altibase vs solidDB

Altibase: Korean hybrid in-memory/on-disk RDBMS for telecom and finance, closed-source again since 2023. solidDB: Low-latency in-memory plus on-disk SQL database with HotStandby failover, sold today by UNICOM.

key differences

  • Horizontal scaling is addon in Altibase and manual in solidDB.
  • Only Altibase has geospatial.
  • Only solidDB has vector search, json, compression.
  • solidDB can run embedded in your application process.

choose altibase for

  • +Telecom charging and subscriber data
  • +Securities trading and market-data stores
  • +Manufacturing execution systems
  • +Highway toll and transport transaction systems

best at · OLTP, Real-time analytics, IoT

choose soliddb for

  • +Telecom and network equipment control planes
  • +Embedded real-time data management in appliances
  • +Low-latency OLTP with hot-standby failover

best at · OLTP, Embedded, Cache

overview
Primary model
Relational
Relational
Also supports
Spatial
Vector
Type
Database engine
Database engine
Status
Active
Active
Developer
Altibase Corp.
UNICOM Systems (UNICOM Global)
First release
1999
1992
Latest version
8 (Jan 2026)
201.0 (Feb 2025)
License
ProprietaryProprietary (open-source edition discontinued in 2023)
ProprietaryProprietary commercial license
Free tier
—
—
popularity
WhichDB Score
5.5
4.7
Rank
#383
#398
GitHub stars
–
–
Stack Overflow questions
–
–
scale & guarantees
Comfortable data size
Medium (≤ 10 TB)
Medium (≤ 10 TB)
Horizontal scaling
Addon
Manual
Multi-region
Read replicas
Read replicas
ACID
Full
Full
Consistency
Strong
Strong
Schema
Strict
Strict
Architecture
In memory, Client server, Primary replica, Distributed
In memory, Primary replica, Embedded, Client server
deployment
Self-hosted
✓
✓
Vendor-managed cloud
—
—
Serverless
—
—
Embedded
—
✓
Edge
—
—
Clouds
–
–
capabilities
Transactions
✓
✓
Joins
✓
✓
Secondary indexes
✓
✓
Full-text search
—
—
Vector search
—
✓
Geospatial
✓
—
JSON
—
✓
Change data capture
—
—
Triggers
✓
✓
Stored procedures
✓
✓
Materialized views
—
—
TTL / expiry
—
—
Pub/Sub
—
—
Columnar storage
—
—
In-memory
✓
✓
Durable persistence
✓
✓
Compression
—
✓
Encryption at rest
—
—
Role-based access
✓
✓
Time travel
—
—
Branching
—
—
Online schema changes
—
—
Streaming ingest
—
—
Offline sync
—
—
Runs in WebAssembly
—
—
interfaces
Query languages
SQL, PSM
SQL
Client languages
C, C++, Java, C#, Python
C, C++, Java
Best for
OLTP, Real-time analytics, IoT, Tick data
OLTP, Embedded, Cache

Altibase vs solidDB: FAQ

What is the difference between Altibase and solidDB?

Altibase: Korean hybrid in-memory/on-disk RDBMS for telecom and finance, closed-source again since 2023. solidDB: Low-latency in-memory plus on-disk SQL database with HotStandby failover, sold today by UNICOM. Horizontal scaling is addon in Altibase and manual in solidDB. Only Altibase has geospatial. Only solidDB has vector search, json, compression.

When should I choose Altibase over solidDB?

Choose Altibase for telecom charging and subscriber data; securities trading and market-data stores; and manufacturing execution systems. Choose solidDB for telecom and network equipment control planes; embedded real-time data management in appliances; and low-latency OLTP with hot-standby failover.

Is Altibase or solidDB more popular?

Altibase ranks #383 on the WhichDB Score (5.5/100) and solidDB ranks #398 (4.7/100). Popularity is not fit: check the requirements that matter for your project.

Are Altibase and solidDB open source?

No. Altibase is proprietary, closed-source software. No. solidDB is proprietary, closed-source software.